Pumping and compressing apparatus for aeriform fluids.



v13:. M. DoMEoQ-GAZAUX. PUMPING AND UOMPBESSING APPARATUS FOR ABRIFOEM FLUIDS. APPLIOATIN IfILED JUNE 13, 1906.

Patented. ont. 13,1908.-

z SHEETS-*SHEET 1;

H. M. DoMEoQ-GAZAUX. PUMPING AND GOIIPRESSING APPARATUS FOR AERIPORM FLUIDS.

APPLICATION FILED JUNE 13, 906.

Patented 0ct.13,1908.

2 SHEETS-SHEET 2.

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yiioNoa Mannion nonncen'oazgicx, or Panis, FRANCE.

PUMPING AND ooMPnEssrNenrPaaar-"Us ronnaarronmmums.

1,., v Application led June `13, 199,6. Serial We. 321,581.

To all whom it may concern:

Be it known: that I, HoNoR MAURICE DoMEoQCAzAUx,.a citizen of the French Republic, residing in Paris, France, have invented certain new and useful Improvements in Pumpingy and Compressing Apparatus for Aeriform Fluids, of which the following is a specification,

This invention relates to pumping and compressing devices for aeriform lluids, and it has for its object toy provide a simple apparatus of relativelyLsmall size Whichmay be driven from a rotaryfpart of a motor, either by friction or a belt. p

The apparatus may of course beemployed to pump andcompressair or gas for any urpose desired, but 1t is especially designen for use on motor cars or automobiles to pump up the tires, to sound the horn, to operate the brakes, and to supply `compressed air to the internal combustlon engine of the car or automobile, if such an engine be used.

In the accompanying drawings which serve to illustrate an embodiment of the invention-Figure 1 is a sideelevation of Athe apparatus. Fig. 2 isa transverse section at x2 in Fig. 1. Fig. 3 is a transverse section at m3 in Fig. 1. Fig. 4 is a face-view of the driving wheel, the casing being in mid-section. Fig. 5 -is an axial, sectionall view of a pressure indicator in the outlet ordelivery pipe of the apparatus, and which takes the place of a manometer. Fig. 6 is an elongated detail sectional view of the pump valves. Figs. 7

and 8 are details described.

As herein shown the apparatus is re resented as adapted to be driven through tricwhich will be hereinafter 'tional contact with thel ily-wheel of the motor. f

In a suitable casing 1, made for convenience in two halves or sections, bolted together, is rotatively mounted an arbor 2, on which is a wheel 3, provided with a circumferentially grooved rimto receive a tire 4 of rubber or the like. The casing is cut away 'at 5 to expose the tire so lthat it may be .pressed against a' driving wheel, as' forexample the 'ly-wheel 'of the driving motor. On the respective opposite faces of the Wheel 3, are cam-grooves 6, eccentric to the axis of the wheel and disposed 180o apart, or opposite, as clearly indicated in Fig. 4. As herein shown these grooves are. circular and form eccentrics. 'At the respective sides of the wheel V3, in the casing, are two like recipro Specicatcnof Letters aten't.

through the tube 29. In the tube 28, be

` Patented oct. is, 190s.

catingpumps, eachhaving a chamber 7, a reciprocating piston 8, and a lston-rod 9. Eachfrod has'at its outer end a aterally roiectiiig Wrist or pin, provided with an antilriction roller 1G, engaging the groove 6, at that side ofthe wheel, and also a roller 11, to bear on the walls of a guideway 12 formed-in the casing. 1t will be noted by inspection of Fig. 3 that each pump is operated by the eccentric groove 6 on the same side of the wheel 3 as the pump, and that the pump-pistonsmove i in oplposlte directions simultaneously..y

e pumps are single acting and each has at its innerfend an inlet for fluid and an outlet for the compressed. fluid. These are best seen in Fig. 6, wherein 13 designates one or more airinlets controlled by a flexible diskvalve 14 inside of they cylinder, and held in place by a screw-threaded tubular nipple 15, on which screws the outlet pipe or conduit y16. In a cage in the ipe 16 is incarcerated a ballvalve 17 controlling the outlet. The pipe 16 is arched, its res ective ends connectin ,with the eduction sides of the pumps,` an to a branch or nipple 18 onl said arched ipe is coupled apipe or hose 19. The casing as .on it a tubular projection 20 through which the nipple 1.8, for the compressed liuid, passes out.

The air is taken into the lcasinvthrough suitable apertures in its wall as indlcated at 21 in Fig.A 1. The rotation of the wheel 3 compels reciprocation of the pumpistons in alternate order, as willfbe rea ily understood; the com ressed fluid passing to the pipe or hose 19 t rough the curved pipe 16.

The device seen in Fig. l5 on a relatively large scale, is in the pipe 19, (as seen in Fig. 1) being inserted by cutting' the said pipe and connectin up its sections to this device through t e medium of the ni ples 22, 22.

The pressure indicator and regu ator seen in Fig. 5 comprises the tubular part 23 which has a lateral outlet leading into a lchamber formed of a cylindrical, externally screwthreaded cylinder 24, in which plays a piston 25, held up, normally to the lateral outlet of the tube 23 by a spring 26. The cylinder 24 screws into another or outer cylinder 27, and the former has in it an annular end-piece on which the inner end of the spring abuts. Fixed in the cylinder 27 is an upri ht axial tube 28, in which slides telescopicaly a tube 29 pendent from the piston 25. In the iston is a valveseat to receive a conical va ve 30, which has a stem 31 which de ends lbw, is

10; Ident; in1d'- t e valve 30held to itsseat by y the fluid-pressure, moves with the piston unf tilithe stem 31, inipinges on the'icross-pin v32, when the movement of. the' valvev is arrested and'. the further movement of the piston Adisi 5 .laces'the-valve fromits seat andpermits the v uid-to iow through the tubes 28 and 29- to the whistle 33, and sound it, thus announcing thatv a predetermined` ressure has been reached. The oint in t e displacementof 20 the piston at'wlliich 'the valve shall open and l thfe whistle sound, may be re ulated by screwing the outer `cylinder' 27 W 'ch,carries theipin 32, in or out on' the cylinder 24. Fig.

`7'isQaietailside viewor` }{arts ofthe cylinders v '225 `:.ihfliwing graduation mar 24 to indicate the pressure in atmos here pres 34 on the cylinder determined by the ad'ustment of t e pin32; 1 land` Fig. -8 is Aan e arged sectional detail e 'showing the valve 30 lifted from its seat.

i280; The present invention applies only to the l vapparatus described;"it may be mounted so that its tire 4 can be' ut into'frictional coIL-' tact with the fly-Wheev of the motor by means of 'a treadle. `The casing 1 may be, ofcourse,

" operative parts'lof the apparatus.`

' Having `thii's described my invention, I

$5 any kind of frame tmcarry and connect the g iv Anapparaftus forlthe purpose specified,

sodass having a lframe to support the' operative 40 arts, a rotatively mounted wheel in sai ram'e, said Wheel having a tire of yielding material and being provided with circular eccentric grooves on yits'respective lateral faces, set 180 devrees apart, two single-acting pumps. mounted in the'frame on opposite sides, respectively, of said wheel, each pump having a .Wrist on its rod engaging an eccen tric groove in the wheel, Valves controlling the induction and eduction apertures of the, 50 pump, and a pipe connecting witl1.tlie eduction sides of both pumps.

' 2. An'appara'tus for the purpose speciiied, having acasing 1 with an aperture 5 in its side, a-grooved wheel 3 mounted rotatively 55 in said casing, said Wheel having on its re- -spctive lateral faces circularl eccentric grooves 6, the centers of which are disposed at o posite sides of the center of the wheel, a

rub er tire on the wheel, two single acting (so pumps dis osed at opposite sides of the said whee sai pumps having each a piston, piston-rod, anc valves controlling the induction and eduction of the fluid, a wrist bearing an antifriction-roller on each piston-rod and en-y 65 aUin the res ective eccentric Grooves 6 an b h arche conduit 16 connected at its ends with the eduction sides of the respective pumps, and a pipe or hose 19, connected with the pile 16, as set forth.l

n witness whereof I have hereunto signed my name this 1st day of June, 1906, in the 4presence of two subscribing witnesses..

HoNoR -iiiinucr ,noiniceciziux Witnesses:

HENRI LETTAL, HANsoN 'C. COKE.- 

